Base | Representation |
---|---|
bin | 1001000001111001111… |
… | …1001111101110011101 |
3 | 112211102022002021121021 |
4 | 2100132133033232131 |
5 | 10020201331030023 |
6 | 155133233204141 |
7 | 14131163022421 |
oct | 2203637175635 |
9 | 484368067537 |
10 | 155130330013 |
11 | 5a87703300a |
12 | 26094a00651 |
13 | 11823410aa9 |
14 | 7718c9ab81 |
15 | 407e1cc35d |
hex | 241e7cfb9d |
155130330013 has 4 divisors (see below), whose sum is σ = 155389312800. Its totient is φ = 154871347228.
The previous prime is 155130330007. The next prime is 155130330031. The reversal of 155130330013 is 310033031551.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 155130330013 - 237 = 17691376541 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 155130330013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155130330053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129490495 + ... + 129491692.
It is an arithmetic number, because the mean of its divisors is an integer number (38847328200).
Almost surely, 2155130330013 is an apocalyptic number.
It is an amenable number.
155130330013 is a deficient number, since it is larger than the sum of its proper divisors (258982787).
155130330013 is an equidigital number, since it uses as much as digits as its factorization.
155130330013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258982786.
The product of its (nonzero) digits is 2025, while the sum is 25.
Adding to 155130330013 its reverse (310033031551), we get a palindrome (465163361564).
The spelling of 155130330013 in words is "one hundred fifty-five billion, one hundred thirty million, three hundred thirty thousand, thirteen".
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